Finding the Fourth Proportional to 10,505.04, 14,496.78 and 5,789.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.04 : 14,496.78 = 5,789.30 : x
2. Step 2: Convert to fraction form
   10,505.04/14,496.78 = 5,789.30/x
3. Step 3: Cross multiply
   10,505.04x = 14,496.78 × 5,789.30
4. Step 4: Simplify right side
   10,505.04x = 83,926,208.45
5. Step 5: Solve for x
   x = 83,926,208.45/10,505.04
6. Step 6: Final answer
   x = 7,989.14